[yocto] Poky 1.3_M3 branch does not work with linux-yocto 3.0 kernel ?

[Bodke, Kishore K]

>-----Original Message-----
>From: yocto-bounces at yoctoproject.org [mailto:yocto-
>bounces at yoctoproject.org] On Behalf Of Bruce Ashfield
>Sent: Wednesday, August 29, 2012 10:47 AM
>To: Hart, Darren
>Cc: yocto at yoctoproject.org
>Subject: Re: [yocto] Poky 1.3_M3 branch does not work with linux-yocto 3.0
>kernel ?
>
>On Tue, Aug 28, 2012 at 3:34 PM, Darren Hart <darren.hart at intel.com> wrote:
>> On 08/27/2012 08:18 PM, Bruce Ashfield wrote:
>>> On 12-08-27 8:14 PM, Saxena, Rahul wrote:
>>>> Hi,
>>>>
>>>> I am building a BSP (meta-cedartrail) using 1.3 M3 branch of Poky.
>>>>
>>>> When I try to boot a image such as core-image-sato, I get kernel panic
>>>> and errors such as:
>>>>
>>>> VFS: Cannot open root device "ram0" or unkown-block(0,0)
>>>>
>>>> Please append a correct "root=" boot option; here are the available
>>>>
>>>> partitions:
>>>>
>>>> VFS: unable to mount root fs on unknown block(0,0)
>>>>
>>>> User configuration error - no valid rootfilesystem found
>>>>
>>>> I do see that the root file system exists in
>>>> cedartrail-poky-linux/core-image-sato-1.0-r0/rootfs dir..
>>>>
>>>> I did not see this problem when I uses a earlier commit of the Poky
>>>> master branch.
>>>>
>>>> It seems like something broke with 1.3 M3 branch that prevents a proper
>>>> build with 3.0 kernel. I do need to build my BSP with 3.0 kernel.
>>>>
>>>> (I was also told by Laurentiu Serban that 1.3 M3 Full Pass testing does
>>>> not include testing with the 3.0 kernel)
>>>>
>>>> Any suggestions would be most welcome. I do need to build my BSP with
>>>> the 3.0 kernel.
>>>
>>> Hmm. It should work, I booted one not that long ago. Can you force
>>> qemux86 to prefer the 3.0 kernel and see if that boots ? That would
>>> at least start to isolate the potential problem areas.
>>
>> However, won't 3.0 be removed for the 1.3 release? Keeping with 3.4 and
>3.2?
>
>For 1.3 the 3 kernel sliding window plan was 3.4, 3.2 and 3.0 with 2.6.37 being
>voted off the island. Or did you mean 1.4 ? Regardless, anything using 3.0
>needs
>to be updated since it's time is running short! :)
>

Cedartrail BSP has PVR Graphics drivers which works only with 3.0 Kernel.

Thanks
Kishore.
>Cheers,
>
>Bruce
>
>>
>> --
>> Darren
>>
>>>
>>> Bruce
>>>
>>>>
>>>> Thanks
>>>>
>>>> Rahul
>>>>
>>>
>>
>>
>> --
>> Darren Hart
>> Intel Open Source Technology Center
>> Yocto Project - Linux Kernel
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>> yocto at yoctoproject.org
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>
>
>
>--
>"Thou shalt not follow the NULL pointer, for chaos and madness await
>thee at its end"
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